Determination of the thermophysical properties of liquid and solid Ti–6Al–4V alloy
Tóm tắt
The surface tension and specific heat for liquid ternary Ti–6Al–4V alloy were measured by the oscillating drop method and drop calorimetry, respectively, under containerless condition over broad temperature ranges. The solidification microstructures at different undercoolings appeared as the basket-weave morphology. The relationship between dendritic growth velocity of β phase and undercooling was determined as a power function, and the growth velocity attained 22.21 ms−1 at the maximum undercooling of 252 K (0.13 T
L). The mechanical property of this alloy solidified at different undercoolings was determined through compression tests, while its thermal diffusivity in the solid state was measured by the laser flash method.
Tài liệu tham khảo
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